t3300-*.sh: Fix a TAP parse error

diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index b9cded5a28e6f7329e9fed23300449b371c00952..178e45305d2b66bbe5a0c0902d989ea66888869b 100755 (executable)
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -108,9 +108,7 @@ OPTIONS_SPEC=
 . git-sh-setup
 
 if [ "$(is_bare_repository)" = false ]; then
-       git diff-files --ignore-submodules --quiet &&
-       git diff-index --cached --quiet HEAD -- ||
-       die "Cannot rewrite branch(es) with a dirty working directory."
+       require_clean_work_tree 'rewrite branches'
 fi
 
 tempdir=.git-rewrite